185825438052 has 24 divisors (see below), whose sum is σ = 433789569696. Its totient is φ = 61913686848.

The previous prime is 185825438021. The next prime is 185825438053. The reversal of 185825438052 is 250834528581.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 185825437986 and 185825438004.

It is not an unprimeable number, because it can be changed into a prime (185825438053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3488193 + ... + 3541064.

It is an arithmetic number, because the mean of its divisors is an integer number (18074565404).

Almost surely, 2^185825438052 is an apocalyptic number.

185825438052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

185825438052 is an abundant number, since it is smaller than the sum of its proper divisors (247964131644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185825438052 is a wasteful number, since it uses less digits than its factorization.

185825438052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031467 (or 7031465 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 51.

The spelling of 185825438052 in words is "one hundred eighty-five billion, eight hundred twenty-five million, four hundred thirty-eight thousand, fifty-two".